"Blue Moon" is a charming performance of the Richard Rodgers and Lorenz Hart standard from Billie Holiday's 1952 album Solitude. Set at approximately 126 bpm in A-flat with a 32-bar AABA form, the track features brief instrumental solos from tenor saxophonist Flip Phillips and trumpeter Charlie Shavers that frame Holiday's vocal interpretation. Phillips takes a half-chorus solo with his characteristic warmth and rhythmic buoyancy, followed by Shavers's quarter-chorus statement that adds a bright, punchy accent. Phillips returns for a final quarter-chorus to close the instrumental contributions. Though the solos are compact, they provide colorful contrast to Holiday's singing and demonstrate the caliber of musicians assembled for this session. The Solitude album captured Holiday during a productive period when she was recording prolifically for Norman Granz's labels, surrounded by top-tier jazz musicians who understood how to complement her unique phrasing and timing. Holiday's interpretation of "Blue Moon" transforms what could be a simple pop song into something deeper, her behind-the-beat phrasing and subtle melodic variations revealing new dimensions in a tune that millions of listeners thought they already knew.